<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - mirror with nodes</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				color: #888888;
				font-family:Monospace;
				font-size:13px;

				background-color: #000;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 0px;
				width: 400px;
				left: calc(50% - 200px);
				text-align: center;
			}

			a {
				color: #00f;
			}
		</style>
	</head>
	<body>

		<div id="container"></div>
		<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - mirror node-based
		</div>

		<script src="../build/three.js"></script>
		<script src="js/libs/dat.gui.min.js"></script>
		<script src="js/Mirror.js"></script>
		<script src="js/controls/OrbitControls.js"></script>

		<!-- NodeLibrary -->
		<script src="js/nodes/GLNode.js"></script>
		<script src="js/nodes/RawNode.js"></script>
		<script src="js/nodes/TempNode.js"></script>
		<script src="js/nodes/InputNode.js"></script>
		<script src="js/nodes/ConstNode.js"></script>
		<script src="js/nodes/FunctionNode.js"></script>
		<script src="js/nodes/FunctionCallNode.js"></script>
		<script src="js/nodes/NodeBuilder.js"></script>
		<script src="js/nodes/NodeLib.js"></script>
		<script src="js/nodes/NodeMaterial.js"></script>

		<!-- Accessors -->
		<script src="js/nodes/accessors/PositionNode.js"></script>
		<script src="js/nodes/accessors/NormalNode.js"></script>
		<script src="js/nodes/accessors/UVNode.js"></script>
		<script src="js/nodes/accessors/ScreenUVNode.js"></script>
		<script src="js/nodes/accessors/ColorsNode.js"></script>
		<script src="js/nodes/accessors/CameraNode.js"></script>
		<script src="js/nodes/accessors/ReflectNode.js"></script>
		<script src="js/nodes/accessors/LightNode.js"></script>

		<!-- Inputs -->
		<script src="js/nodes/inputs/IntNode.js"></script>
		<script src="js/nodes/inputs/FloatNode.js"></script>
		<script src="js/nodes/inputs/ColorNode.js"></script>
		<script src="js/nodes/inputs/Vector2Node.js"></script>
		<script src="js/nodes/inputs/Vector3Node.js"></script>
		<script src="js/nodes/inputs/Vector4Node.js"></script>
		<script src="js/nodes/inputs/TextureNode.js"></script>
		<script src="js/nodes/inputs/CubeTextureNode.js"></script>
		<script src="js/nodes/inputs/Matrix4Node.js"></script>
		<script src="js/nodes/inputs/MirrorNode.js"></script>

		<!-- Math -->
		<script src="js/nodes/math/Math1Node.js"></script>
		<script src="js/nodes/math/Math2Node.js"></script>
		<script src="js/nodes/math/Math3Node.js"></script>
		<script src="js/nodes/math/OperatorNode.js"></script>

		<!-- Utils -->
		<script src="js/nodes/utils/SwitchNode.js"></script>
		<script src="js/nodes/utils/JoinNode.js"></script>
		<script src="js/nodes/utils/TimerNode.js"></script>
		<script src="js/nodes/utils/RoughnessToBlinnExponentNode.js"></script>
		<script src="js/nodes/utils/VelocityNode.js"></script>
		<script src="js/nodes/utils/LuminanceNode.js"></script>
		<script src="js/nodes/utils/ColorAdjustmentNode.js"></script>
		<script src="js/nodes/utils/NoiseNode.js"></script>
		<script src="js/nodes/utils/ResolutionNode.js"></script>
		<script src="js/nodes/utils/BlurNode.js"></script>

		<!-- Phong Material -->
		<script src="js/nodes/materials/PhongNode.js"></script>
		<script src="js/nodes/materials/PhongNodeMaterial.js"></script>

		<script>

			// scene size
			var WIDTH = window.innerWidth;
			var HEIGHT = window.innerHeight;

			// camera
			var VIEW_ANGLE = 45;
			var ASPECT = WIDTH / HEIGHT;
			var NEAR = 1;
			var FAR = 500;

			var decalNormal = new THREE.TextureLoader().load( 'textures/decal/decal-normal.jpg' );

			var decalDiffuse = new THREE.TextureLoader().load( 'textures/decal/decal-diffuse.png' );
			decalDiffuse.wrapS = decalDiffuse.wrapT = THREE.RepeatWrapping;

			var camera, scene, renderer;
			var clock = new THREE.Clock();

			var cameraControls;
			
			var gui = new dat.GUI();

			var groundMirror;
			var sphereGroup, smallSphere;
			var groundMirrorMaterial;

			function init() {

				// renderer
				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( WIDTH, HEIGHT );

				// scene
				scene = new THREE.Scene();

				// camera
				camera = new THREE.PerspectiveCamera(VIEW_ANGLE, ASPECT, NEAR, FAR);
				camera.position.set( 0, 75, 160 );

				cameraControls = new THREE.OrbitControls(camera, renderer.domElement);
				cameraControls.target.set( 0, 40, 0);
				cameraControls.maxDistance = 400;
				cameraControls.minDistance = 10;
				cameraControls.update();

				var container = document.getElementById( 'container' );
				container.appendChild( renderer.domElement );

			}

			function fillScene() {

				var planeGeo = new THREE.PlaneBufferGeometry( 100.1, 100.1 );

				// MIRROR planes
				groundMirror = new THREE.Mirror( renderer, camera, { clipBias: 0.003, textureWidth: WIDTH, textureHeight: HEIGHT, color: 0x777777 } );

				var mask = new THREE.SwitchNode( new THREE.TextureNode( decalDiffuse ), 'w' );
				var maskFlip = new THREE.Math1Node( mask, THREE.Math1Node.INVERT );

				var mirror = new THREE.MirrorNode( groundMirror );

				var normal = new THREE.TextureNode( decalNormal );
				var normalXY = new THREE.SwitchNode( normal, 'xy' );
				var normalXYFlip = new THREE.Math1Node(
					normalXY,
					THREE.Math1Node.INVERT
				);

				var offsetNormal = new THREE.OperatorNode(
					normalXYFlip,
					new THREE.FloatNode( .5 ),
					THREE.OperatorNode.SUB
				);

				mirror.offset = new THREE.OperatorNode(
					offsetNormal, // normal
					new THREE.FloatNode( 6 ),// scale
					THREE.OperatorNode.MUL
				);

				var clr = new THREE.Math3Node(
					mirror,
					new THREE.ColorNode( 0xFFFFFF ),
					mask,
					THREE.Math3Node.MIX
				);

				var blurMirror = new THREE.BlurNode( mirror );
				blurMirror.size = new THREE.Vector2( WIDTH, HEIGHT );
				blurMirror.coord = new THREE.FunctionNode( "projCoord.xyz / projCoord.q", "vec3" );
				blurMirror.coord.keywords[ "projCoord" ] = new THREE.OperatorNode( mirror.offset, mirror.coord, THREE.OperatorNode.ADD );
				blurMirror.radius.x = blurMirror.radius.y = 0;

				gui.add( { blur : blurMirror.radius.x }, "blur", 0, 25 ).onChange( function(v) {

					blurMirror.radius.x = blurMirror.radius.y = v;

				} );

				groundMirrorMaterial = new THREE.PhongNodeMaterial();
				groundMirrorMaterial.environment = blurMirror; // or add "mirror" variable to disable blur
				groundMirrorMaterial.environmentAlpha = mask;
				groundMirrorMaterial.normal = normal;
				//groundMirrorMaterial.normalScale = new THREE.FloatNode( 1 );
				groundMirrorMaterial.build();

				var mirrorMesh = new THREE.Mesh( planeGeo, groundMirrorMaterial );
				mirrorMesh.add( groundMirror );
				mirrorMesh.rotateX( - Math.PI / 2 );
				scene.add( mirrorMesh );

				sphereGroup = new THREE.Object3D();
				scene.add( sphereGroup );

				var geometry = new THREE.CylinderGeometry( 0.1, 15 * Math.cos( Math.PI / 180 * 30 ), 0.1, 24, 1 );
				var material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x444444 } );
				var sphereCap = new THREE.Mesh( geometry, material );
				sphereCap.position.y = -15 * Math.sin( Math.PI / 180 * 30 ) - 0.05;
				sphereCap.rotateX(-Math.PI);

				var geometry = new THREE.SphereGeometry( 15, 24, 24, Math.PI / 2, Math.PI * 2, 0, Math.PI / 180 * 120 );
				var halfSphere = new THREE.Mesh( geometry, material );
				halfSphere.add( sphereCap );
				halfSphere.rotateX( - Math.PI / 180 * 135 );
				halfSphere.rotateZ( - Math.PI / 180 * 20 );
				halfSphere.position.y = 7.5 + 15 * Math.sin( Math.PI / 180 * 30 );

				sphereGroup.add( halfSphere );

				var geometry = new THREE.IcosahedronGeometry( 5, 0 );
				var material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x333333, shading: THREE.FlatShading } );
				smallSphere = new THREE.Mesh( geometry, material );
				scene.add(smallSphere);

				// walls
				var planeTop = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
				planeTop.position.y = 100;
				planeTop.rotateX( Math.PI / 2 );
				scene.add( planeTop );

				var planeBack = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
				planeBack.position.z = -50;
				planeBack.position.y = 50;
				scene.add( planeBack );

				var planeFront = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x7f7fff } ) );
				planeFront.position.z = 50;
				planeFront.position.y = 50;
				planeFront.rotateY( Math.PI );
				scene.add( planeFront );

				var planeRight = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x00ff00 } ) );
				planeRight.position.x = 50;
				planeRight.position.y = 50;
				planeRight.rotateY( - Math.PI / 2 );
				scene.add( planeRight );

				var planeLeft = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xff0000 } ) );
				planeLeft.position.x = -50;
				planeLeft.position.y = 50;
				planeLeft.rotateY( Math.PI / 2 );
				scene.add( planeLeft );

				// lights
				var mainLight = new THREE.PointLight( 0xcccccc, 1.5, 250 );
				mainLight.position.y = 60;
				scene.add( mainLight );

				var greenLight = new THREE.PointLight( 0x00ff00, 0.25, 1000 );
				greenLight.position.set( 550, 50, 0 );
				scene.add( greenLight );

				var redLight = new THREE.PointLight( 0xff0000, 0.25, 1000 );
				redLight.position.set( - 550, 50, 0 );
				scene.add( redLight );

				var blueLight = new THREE.PointLight( 0x7f7fff, 0.25, 1000 );
				blueLight.position.set( 0, 50, 550 );
				scene.add( blueLight );

			}

			function render() {

				// render (update) the mirrors
				groundMirrorMaterial.visible = false;

				groundMirror.render();

				groundMirrorMaterial.visible = true;

				renderer.render(scene, camera);

			}

			function update() {

				requestAnimationFrame( update );

				var delta = clock.getDelta();
				var timer = Date.now() * 0.01;

				sphereGroup.rotation.y -= 0.002;

				smallSphere.position.set(
					Math.cos( timer * 0.1 ) * 30,
					Math.abs( Math.cos( timer * 0.2 ) ) * 20 + 5,
					Math.sin( timer * 0.1 ) * 30
				);
				smallSphere.rotation.y = ( Math.PI / 2 ) - timer * 0.1;
				smallSphere.rotation.z = timer * 0.8;

				groundMirrorMaterial.updateFrame( delta );

				cameraControls.update();

				render();
			}

			init();
			fillScene();
			update();

		</script>
	</body>
</html>
